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56 changes: 56 additions & 0 deletions
56
paimon-common/src/main/java/org/apache/paimon/fileindex/FileIndexOptions.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| package org.apache.paimon.fileindex; | ||
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| import org.apache.paimon.options.Options; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
| import java.util.Set; | ||
|
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| /** Options of file index column. */ | ||
| public class FileIndexOptions { | ||
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| private final Map<String, Map<String, Options>> indexTypeOptions; | ||
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| public FileIndexOptions() { | ||
| this.indexTypeOptions = new HashMap<>(); | ||
| } | ||
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| public void computeIfAbsent(String column, String indexType) { | ||
| indexTypeOptions | ||
| .computeIfAbsent(column, c -> new HashMap<>()) | ||
| .computeIfAbsent(indexType, i -> new Options()); | ||
| } | ||
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| public Options get(String column, String indexType) { | ||
| return Optional.ofNullable(indexTypeOptions.getOrDefault(column, null)) | ||
| .map(x -> x.get(indexType)) | ||
| .orElse(null); | ||
| } | ||
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| public boolean isEmpty() { | ||
| return indexTypeOptions.isEmpty(); | ||
| } | ||
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| public Set<Map.Entry<String, Map<String, Options>>> entrySet() { | ||
| return indexTypeOptions.entrySet(); | ||
| } | ||
| } |
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85 changes: 85 additions & 0 deletions
85
paimon-core/src/main/java/org/apache/paimon/io/FileIndexFileReader.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| package org.apache.paimon.io; | ||
|
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| import org.apache.paimon.data.InternalRow; | ||
| import org.apache.paimon.fileindex.FileIndexPredicate; | ||
| import org.apache.paimon.fs.FileIO; | ||
| import org.apache.paimon.mergetree.compact.ConcatRecordReader; | ||
| import org.apache.paimon.predicate.Predicate; | ||
| import org.apache.paimon.predicate.PredicateBuilder; | ||
| import org.apache.paimon.reader.RecordReader; | ||
| import org.apache.paimon.schema.TableSchema; | ||
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| import org.jetbrains.annotations.Nullable; | ||
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| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
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| /** File index reader, do the filter in the constructor. */ | ||
| public class FileIndexFileReader implements RecordReader<InternalRow> { | ||
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| private final RecordReader<InternalRow> reader; | ||
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| public FileIndexFileReader( | ||
| FileIO fileIO, | ||
| TableSchema dataSchema, | ||
| List<Predicate> dataFilter, | ||
| DataFilePathFactory dataFilePathFactory, | ||
| DataFileMeta file, | ||
| ConcatRecordReader.ReaderSupplier<InternalRow> readerSupplier) | ||
| throws IOException { | ||
| boolean filterThisFile = false; | ||
| if (dataFilter != null && !dataFilter.isEmpty()) { | ||
| List<String> indexFiles = | ||
| file.extraFiles().stream() | ||
| .filter(name -> name.endsWith(DataFilePathFactory.INDEX_PATH_SUFFIX)) | ||
| .collect(Collectors.toList()); | ||
| if (!indexFiles.isEmpty()) { | ||
| // go to file index check | ||
| try (FileIndexPredicate predicate = | ||
| new FileIndexPredicate( | ||
| dataFilePathFactory.toPath(indexFiles.get(0)), | ||
| fileIO, | ||
| dataSchema.logicalRowType())) { | ||
| if (!predicate.testPredicate( | ||
| PredicateBuilder.and(dataFilter.toArray(new Predicate[0])))) { | ||
| filterThisFile = true; | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| this.reader = filterThisFile ? null : readerSupplier.get(); | ||
| } | ||
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| @Nullable | ||
| @Override | ||
| public RecordIterator<InternalRow> readBatch() throws IOException { | ||
| return reader == null ? null : reader.readBatch(); | ||
| } | ||
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| @Override | ||
| public void close() throws IOException { | ||
| if (reader != null) { | ||
| reader.close(); | ||
| } | ||
| } | ||
| } |
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